JPH0770343B2 - connector - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a connector mounted inside a device, and more particularly to a connector for electrically connecting a mounting target substrate and a flexible printed circuit board.

[Prior Art] Conventionally, there are a bottom surface contact type connector shown in FIG. 12 and a top surface contact type connector shown in FIG.

Each connector includes a plurality of conductive contacts 1 and a base insulator 3 holding these contacts 1.
And have. The terminal portion 1a of the contact 1 extends outward on one side of the base insulator 3 in the uniaxial direction. Further, the base insulator 3 is provided with a slide insulator 7 that presses the flexible printed circuit board 5 in the plate thickness direction to bring it into contact with the contact portion 1b of the contact 1. The slide insulator 7 can be fitted into and removed from a large opening 9 formed on the other side of the base insulator 3.

These connectors are installed on one surface side of the mounting target substrate 11 such as a printed circuit board. That is, the base insulator 3 has the lower surface 3a or the upper surface 3b parallel to the uniaxial direction so as to face the mounting target substrate 11. The connector shown in FIG. 12 is a bottom surface contact type connector in which the conductor portion of the flexible printed board 5 is in contact with the contact portion 1b. The terminal portion 1a is incorporated into the base insulator 3 so that one surface of the mounting target substrate 11 can be grounded.
The thirteenth connector is an upper surface contact type connector in which the conductor portion of the flexible printed board 5 is in contact with the contact portion 1b. Terminal 1a is the target board
The base insulator 3 is assembled toward the one surface side of 11.

Therefore, these connectors are made exclusively for the upper contact type and the lower contact type.

Further, as another connector, as shown in FIG. 14 and FIG. 15, a base insulator 3 having the same shape is prepared, and the slide insulator 7 that fits into and disengages from the base insulator 3 is reversed to make a flexible printed circuit board. The contact portion 1b is brought into contact with the conductor portion on the upper surface or the lower surface of 5.

According to this connector, a pair of contact portions 1b is prepared so that it can come into contact with either the upper surface or the lower surface of the flexible printed circuit board 5. Terminal part of this contact 1
1a extends through the lower surface 3a of the base insulator 3 in a direction orthogonal to each other and is inserted into and connected to a through hole of the substrate 11 to be mounted.

Further, in these connectors, a fixture (not shown) is attached to the side surface of the base insulator 3 orthogonal to the one axis. The fixture is attached to protect the connection portion between the attachment target substrate 11 and the contact 1 connected thereto, or to fix the base insulator 3 onto the attachment target substrate 11 by soldering.

Further, in the connector shown in FIGS. 12 to 15, the slide insulator 7 and the base insulator 3 are held by the holding mechanism.

[Problems to be Solved by the Invention] However, the connector shown in FIG. 12 and FIG. 13 is dedicated to the upper surface contact type or the lower surface contact type, respectively. Since it is made using the equipment of, large capital investment is required.

Further, in the connector of the type in which the slide insulator 7 shown in FIG. 14 and FIG. 15 is inverted and corresponding, since the contact portion 1b is formed at the upper and lower sides, the connector is mounted on the substrate 11 to be mounted.
The mounting height becomes a large dimension h when mounted on. For this reason, there is a problem that the connector cannot be installed in a portion where the height is limited.

Further, when mounting the mounting tool to the base insulator 3, the space must be secured in the mounting target substrate 11. As a result, there is a problem in that the length in the pitch direction of the connector becomes large because a dedicated space must be taken.

Therefore, an object of the present invention is to provide a connector that can be used for both lower surface contact and upper surface contact by reversing the connector and can be used by installing the connector vertically. is there.

Another object of the present invention is to provide a connector that enables effective use of space by holding the slide insulator by means of a fixture attached to the base insulator.

[Means for Solving the Problems] According to the present invention, it is possible to fit and disengage conductive contacts that are connected to a substrate to be mounted, a base insulator that holds the contacts, and a uniaxial direction with respect to the base insulator. A connector including a slide insulator that presses the flexible printed circuit board in the plate thickness direction to contact the contact, and a fixture attached to a side surface of the base insulator parallel to the one axis, wherein the base insulator is the one axis. Have first and second mounting surfaces that are parallel to each other in the direction and are adjacent to the side surface, and a third mounting surface on the one end side in the uniaxial direction, and the contact is outside the third mounting surface. And a terminal portion that is connected to the attachment target substrate corresponding to each of the first, second, and third attachment surfaces. A connector is obtained in which the fixture has a plurality of pieces corresponding to the first, second and third attachment surfaces, respectively.

Further, according to the present invention, the terminal portion extends along the third attachment surface and extends outside the attachment surface of at least one of the first and second attachment surfaces. To obtain the connector.

Further, according to the present invention, there can be obtained a connector characterized in that the terminal portion is composed of a pair of the terminal portions and extends in parallel to the first and second mounting surfaces, respectively.

Further, according to the present invention, the attachment includes a first engagement device, and the slide insulator includes the first engagement device.
And a second engaging device for preventing the slide insulator from being disengaged from the base insulator in cooperation with the second engaging device.

[Embodiment] FIGS. 1 to 4 show a connector according to an embodiment of the present invention.

With reference to FIGS. 1 to 4, this connector has a base insulator 21 and a conductive contact 23 held by the base insulator 21. The base insulator 21 is parallel to each other in the uniaxial direction and is adjacent to the pair of side surfaces 25, and the first and second mounting surfaces 27a and 27b.
And a third mounting surface 27c on one end side in the uniaxial direction. The base insulator 21 holds a plurality of contacts 23 in its uniaxial direction. Contact 23
It has a pair of terminal portions 23a extending outward from the third mounting surface 27c. The terminal portion 23a has outer sides in the uniaxial direction that extend in parallel with the first and second mounting surfaces 27a and 27b, respectively. The contacts 23 are arranged at equal pitches in a direction orthogonal to the one axis direction of the base insulator 21.

Further, the contact 23 has a holding portion 23b held by the base insulator 21 at an intermediate portion in the uniaxial direction. The holding portion 23b is held by press-fitting both sides parallel to the uniaxial direction into the side wall portion of the opening 29 formed on the other side of the base insulator 21. The opening 29 is formed as a large opening into which the slide insulator 31 and the flexible printed circuit board 33 can be inserted and removed together. In the opening 29, a receiving piece 23c and a contact piece 23d are uniaxially extended from the holding portion 23b of the contact 23 toward the other side, that is, toward the insertion side of the slide insulator 31. A contact portion 23e protruding toward the receiving piece 23c is formed at the tip of the contact piece 23d.

Furthermore, the slide insulator 31 is an insertion port that allows the flexible printed circuit board 33 to be inserted in one axis direction without insertion force.
31a and a pressing piece 31b extending uniaxially from one surface side of the insertion port 31a. The pressing piece 31b is the receiving piece 23c.
And the contact piece 23d. In the state where the pressing piece 31b is inserted into the opening 29, the flexible printed circuit board 33 is pressed in the plate thickness direction to contact the contact portion of the contact 23.
The conductor portion 33a of the flexible printed circuit board 33 is brought into contact with 23e.

Therefore, the connector shown in FIG. 1 is of a bottom surface contact type that contacts the conductor portion 33a on the bottom surface of the flexible printed circuit board 33.

In addition, the pair of side surfaces 25 of the base insulator 21 has a fifth
As shown in the figure, a groove 35 is formed in each of them. As shown in FIG. 6, fittings 41 are attached to these groove portions 35. The fixture 41 is made, for example, by punching a metal plate and then bending it. Fixture
Reference numeral 41 denotes a connecting portion between the terminal portion 23a and the mounting target substrate 39 when mounting the first, second and third mounting surfaces 27a, 27b and 27c on one surface side of the mounting target substrate 39 such as a printed circuit board. Protects solder peeling. That is, when the flexible printed circuit board 33 is inserted into the base insulator 21 by operating the slide insulator 31, the terminal portion 23a and the mounting target substrate 39 are provided.
The fixture 41 prevents a load from being applied to the connected portions by soldering and. Further, the fixture 41 serves as a first engagement device for preventing the slide insulator 31 described later from falling off the base insulator 21. To mount the mounting tool 41 in the groove portion 35, the mounting tool 41 is firmly mounted by being press-fitted into the press-fitting groove 35a formed in the vicinity of the bottom portion of the groove portion 35.

On the other hand, on one side of the slide insulator 31, a pair of arms 43 extends from both ends. Locking protrusions 43a are formed at the tip end of the arm 43 so as to face each other with respect to the arm 43. Here, the arm 43 and the locking protrusion 43a together constitute a second engagement device. These arms 43 are flexible.

Further, the attachment 41 includes a first fixing piece 44a and a second fixing piece 44a.
It has b and the 3rd fixed piece 44c. The first and second fixing pieces 44a, 44b correspond to the first and second mounting surfaces 27a, 27b of the base insulator 21, respectively. That is,
The first and second fixing pieces 44a, 44b extend in the same plane as the first and second mounting surfaces 27a, 27b. The third fixing piece 44c is
It extends on the same surface as the third mounting surface 27c. First fixing piece 4
4a, the second fixing piece 44b, and the third fixing piece 44c are attached to the fixture 41.
Is a portion formed by bending the flat plate surface to one side at a right angle.

Furthermore, the fixture 41 has the above-mentioned first engagement device. The first engagement device engages with the second engagement device of the slide insulator 31. That is, the first engagement device is
The mounting tool 41 has a punching projection 45 formed by punching in an intermediate portion thereof, and an engaging claw portion 47 formed at an end portion opposite to the third fixing piece 44c. The engaging claw portion 47 is a portion that is bent so as to face the flat plate surface of the fixture 41.

The second engagement device of the slide insulator 31 is a fixture.
The base insulator 21 in cooperation with the first engagement device 41.
The slide insulator 31 is prevented from coming off.

Next, the operation of bringing the flexible printed board 33 into contact with the contact portion 23e of the contact 23 will be described. The second mounting surface 27b of this connector faces the mounting target substrate 39. The slide insulator 31 can be moved back and forth in a uniaxial direction with respect to the base insulator 21. At this time, the locking projection 43a of the arm 43 elastically rides over the punching projection 45 of the fixture 41 and is positioned in front of and behind it. Also,
When the slide insulator 31 is pulled out from the base insulator 21, the locking protrusion 43a of the arm 43 is attached to the fixture 4.
The engagement claw portion 47 of 1 is engaged to prevent the disengagement. In this way, the slide insulator 31 is attached to the base insulator.
It can be positioned at two positions, a position pulled out in front of 21 (see FIG. 7) and a pushed-in position (see FIG. 1). When the slide insulator 31 is pulled out to the front of the base insulator 21, the pressing piece 31 located in the opening 29
The distance between b and the contact piece 23d is widened, and the flexible printed circuit board 33 can be inserted into this space with zero insertion force.

Further, when the slide insulator 31 is pushed into the base insulator 21, the facing interval between the pressing piece 31b and the contact portion 23e is narrowed, and the flexible printed circuit board 33 inserted between them is provided.
Is pressed against and brought into contact with the contact portion 23e. In this way, the conductor portion 33a of the flexible printed circuit board 33 can be used as a lower surface contact type for contacting the contact portion 23e.

Here, in order to contact the contact portion 23e with the conductor portion 33a of the flexible printed circuit board 33 as the upper surface, the connector is inverted and used. That is, as shown in FIG.
The first mounting surface 27a is opposed to 39. With this configuration, the connector can be used as an upper surface contact type connector in which the contact portion 23e comes into contact with the flexible printed circuit board 33 having the conductor portion 33a directed to the upper surface.

In the connector having the above configuration, the first and second fixing pieces 44a and 44b of the fixture 41 and the terminal portion 23a of the contact 23 are located on either the lower surface side or the upper surface side, and Can be soldered on.

Further, this connector can be used as a vertically installed type connector as shown in FIGS. 9 to 11 by changing the contact 23. That is, in the vertically mountable connector, the terminal portion 23a of the contact 23 extends along the third mounting surface 27c and is located outside at least one of the first and second mounting surfaces 27a, 27b. It extends. At least one terminal portion 23a may be formed on the contact 23.

According to such a vertically mountable connector, the mounting target substrate 39
With respect to the third mounting surface 27c, the terminal portion 23a can be grounded to the mounting target substrate 39.

Furthermore, since the third fixing piece 44c can also be grounded to the attachment target substrate 39, the connection portion between the terminal portion 23a and the attachment target substrate 39 can be protected.

[Effects of the Invention] As described above with reference to the embodiments, according to the connector of the present invention, by inverting one connector, both the lower surface contact type and the upper surface contact type can be supported, and only the contact is changed. Therefore, it can also be used as a vertically installed connector.

Further, since the slide insulator is held by the mounting tool instead of the base insulator, the length of the base insulator in the pitch direction can be reduced, and the space can be saved.

Further, since only one contact portion is required for the contact, a connector having a low mounting height can be obtained.

[Brief description of drawings]

1 is a sectional view of a connector according to an embodiment of the present invention, FIG. 2 is a perspective view of the connector of FIG. 1, FIG. 3 is a plan view of the connector of FIG. 1, and FIG. Side view of connector,
FIG. 5 is an exploded perspective view of the connector of FIG. 1, and FIG.
FIG. 7 is a perspective view of the fixture shown in FIG. 7, FIG. 7 is a cross-sectional view of the connector of FIG.
1 is a cross-sectional view of the connector of FIG. 1 inverted, FIG. 9 is a perspective view showing a vertically installed state of the connector of FIG. 1 excluding a slide insulator, and FIG. 10 is a cross-sectional view of the connector of FIG. 11 is a plan view of the connector of FIG. 10, FIG. 12 is a sectional view showing a conventional bottom contact type connector, FIG. 13 is a sectional view showing a conventional top contact type connector, and FIG. 14 is a connector. FIG. 15 is a cross-sectional view of a lower surface contact type connector, and FIG. 15 is a sectional view showing a state where the connector of FIG. 14 is made into an upper surface contact type. 1; contact, 3; base insulator, 5; flexible printed circuit board, 7; slide insulator, 9; opening, 11; substrate to be mounted, 21; base insulator, 23;
Contact, 27a; first mounting surface, 27b; second mounting surface, 27
c; Third mounting surface, 29; Opening part, 31; Slide insulator, 33; Flexible printed circuit board, 35; Groove part, 35a; Press-fitting groove, 39; Mounting target substrate, 41; Mounting tool, 44a; First fixing One piece,
44b; second fixing piece, 44c; third fixing piece, 47; engaging claw portion.

Claims (4)

[Claims] 1. A conductive contact connected to a substrate to be mounted, a base insulator holding the contact, a base insulator that can be fitted into and disengaged from the base insulator in a uniaxial direction, and a flexible printed circuit board in a plate thickness direction thereof. In a connector including a slide insulator that is pressed against to contact the contact, and a fixture attached to a side surface of the base insulator parallel to the one axis,
The base insulator is parallel to each other in the uniaxial direction, and first and second mounting surfaces adjacent to the side surface,
And a third mounting surface on one end side in the uniaxial direction, wherein the contact extends outward from the third mounting surface and the first,
There is a terminal portion that is connected to the mounting target substrate corresponding to each of the second and third mounting surfaces, and the mounting tool includes the first and second mounting surfaces.
A connector having a plurality of pieces respectively corresponding to the second and third mounting surfaces. 2. The terminal portion extends along the third mounting surface and extends outside the mounting surface of at least one of the first and second mounting surfaces. The connector according to Item 1. 3. The connector according to claim 1, wherein the terminal portion is composed of a pair of the terminal portions and extends in parallel to the first and second mounting surfaces, respectively. 4. The mounting fixture has a first engagement device, and the slide insulator cooperates with the first engagement device to prevent the slide insulator from separating from the base insulator. The connector of claim 1 having a second engagement device for blocking.